#! /bin/sh
#----------------------------------------------------------------------------
# template-restore-bconf - restore config file from /etc/backup.d
#
# Creation:     2003-12-24  ap
# Last Update:  $Id$
#
# Copyright (c) 2001-2003 Ansgar Puester, Ansgar.Puester(at)T-Online(dot)de
# Copyright (c) 2008-@@YEAR@@ the eisfair team, team(at)eisfair(dot)org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

# ---------------------------------------------------------------------------
# header_md(): prepare header display
# ---------------------------------------------------------------------------
header_md()
{
    MD_TITLE="Restore configuration file from ${backupd} directory"
    MD_SUBTITLE=" Avaliable backups for package $package: \n"
    # export for use in config_shlib (choose)
    export MD_TITLE
    export MD_SUBTITLE
}

# ---------------------------------------------------------------------------
# header(): display header
# ---------------------------------------------------------------------------
header()
{
    clrhome
    mecho --info "${MD_TITLE}"
    mecho
}

# ---------------------------------------------------------------------------
# footer(): display footer
# ---------------------------------------------------------------------------
footer()
{
    mecho
    mecho
    anykey
}

# ---------------------------------------------------------------------------
# overwrite_hint(): display overwrite hint
# ---------------------------------------------------------------------------
overwrite_hint()
{
    mecho --warn "Attention: this will overwrite your current configuration"
    mecho -n --warn "           file for package"
    mecho -n " ${package}"
    mecho --warn " with an older"
    mecho --warn "           configuation file named"
    mecho "           ${restfile}"
    mecho -n --warn "           that was saved in"
    mecho " ${backupd}."
    mecho
}

# ---------------------------------------------------------------------------
# restore_file(): restore the file
# ---------------------------------------------------------------------------
restore_file()
{
    header
    mecho
    overwrite_hint
    _ask_tmpfile=$(mktemp -t XXXXXXXXXXXXX)
    /var/install/bin/ask 'Continue' >${_ask_tmpfile}
    rc=${?}
    read answer < ${_ask_tmpfile}
    rm -f ${_ask_tmpfile}

    if [ ${rc} = 255 ]
    then
        answer=no
    fi

    case "${answer}" in
    yes)
        mecho
        # echo "TEST cp -p $restfile $configd/$package"
        cp -p $restfile $configd/$package
        activate_hint
        ;;
    *)
        mecho
        mecho --info "Configuration file $configd/$package was not changed."
        ;;
    esac
}

# include function library
. /var/install/bin/config_shlib

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------

# get package name from filename PACKAGE-restore-bconf
filename=`basename $0`
package=`echo $filename | sed "s|-restore-bconf$||"`

# if package is template
#    take package from $PACKAGE
[ "$package" = 'template' ] && package="$PACKAGE"

#debug echo "+++ TEST filename: $filename"
#debug echo "         PACKAGE:  $PACKAGE"
#debug echo "         package:  $package"
#debug read answ < /dev/tty

# prepare header
header_md

# select a file
select_file

case "${answer}" in
'') exit 0     ;;
0)  exit 127   ;;
*)
    eval restfile='${bfile_'${answer}'}'
    # do the restore
    restore_file
    ;;
esac

footer
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------